Sematic discription of sound environment in terms of typesandaudibletime of environmental sound events

Amethodofmeasuring sound environment in terms of types andfrequencyof environmental sound was developed in thisstudy withthe aim to establishmethodology of semantic description of sound environment. Unit time for recording frequency of sound events was examined and 20 second was found to be optimum.Amethod of classification of environmental sounds based on the impression oflisteners, usingmulti-stagegrouping and cluster analysis, was introduced. Finally, the effectiveness of the method was examined withinvestigation in fiveurbanparks and the result well captured the different characteristics of each of the parks.